Keychain holder



FIG. 1 is a front perspective view of a keychain holder showing my new design, with a keychain shown in broken lines for purpose of illustration only and forming no part of the claimed design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a rear elevational view, thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a right side view thereof; and,

FIG. 7 is a left side view thereof. 

The ornamental design for a keychain holder, as shown. 